O Level Physics 5054, topic 4.4.2
Electrical safety: past paper questions
9 Cambridge O Level Physics 5054 questions on Electrical safety (4.4.2) from 8 papers, 2023 to 2026. Mostly multiple choice. Open the paper or try a question free.
Practising builds a set from this topic, free with an account. One question opens straight away, with no account.
- Questions
- 9
- Papers
- 8
- Years
- 2023 to 2026
- Total marks
- 38
- Average per question
- 4.2 marks
- Largest question
- 9 marks
By type: Multiple choice 5 · Structured 4
How hard the questions are
- Recall0
- Apply2
- Analyse4
- Not banded3
Derived from the command word Cambridge prints in each question, banded by a fixed table beside the syllabus's own definitions. A question printing no command word is unbanded: unknown, not middling.
Command words
- explainAnalyse4 questions
set out purposes or reasons / make the relationships between things clear / say why and/or how and support with relevant evidence
- calculateApply2 questions
work out from given facts, figures or information
- describeApply2 questions
state the points of a topic / give characteristics and main features
- stateRecall2 questions
express in clear terms
- suggestAnalyse2 questions
apply knowledge and understanding to situations where there are a range of valid responses in order to make proposals / put forward considerations
- completeApply1 question
- determineApply1 question
establish an answer using the information available
- useApply1 question
Where the questions come from
By year
- 20261
- 20253
- 20243
- 20232
By session
- May/June5
- Oct/Nov4
By paper
- Paper 15
- Paper 24
Questions on this topic
Showing 8 of 9, spread across the years. Open one to write your answer and have it marked.
- Try this questionQuestion 7May/June 2026, paper 21Structured8 marksHas a diagram
Figure 7.1 shows a bathroom heater connected to a a.c. supply. A relay is used to turn on the heater.
- Try this questionQuestion 35Oct/Nov 2024, paper 11Multiple choice1 mark
The current in a home computer varies between and when the computer is connected to the mains supply. What is the rating of the most suitable fuse to use to protect the computer?
- Try this questionQuestion 28Oct/Nov 2023, paper 11Multiple choice1 mark
Three students make comments about appliances with double insulation. student P: Appliances with double insulation do not need an earth wire. student Q: Double insulation protects the user of the appliance from an electric shock.
- Try this questionQuestion 7Oct/Nov 2025, paper 22Structured9 marksHas a diagram
An electric kettle has an outer casing made of metal. Fig. 7.1 shows the kettle. The heater in the electric kettle is connected to a mains power supply and has a power rating of .
- Try this questionQuestion 32May/June 2024, paper 12Multiple choice1 mark
Which safety precautions must be taken when wiring an electrical kettle that has a stainless-steel outer casing?
- Try this questionQuestion 8May/June 2023, paper 21Structured8 marksHas a diagram
A filament lamp is arranged above a shiny metal surface, as shown in Fig. 8.1. A student reads in a textbook that a light-emitting diode (LED) is more efficient than a filament lamp. State what is meant by 'efficiency'.
- Try this questionQuestion 6May/June 2025, paper 22Structured8 marksHas a diagram
Fig. 6.1 shows part of a mains circuit that includes three lamps and a heater. The mains voltage is , and the power of the heater is . There is a fuse in the lighting circuit.
- Try this questionQuestion 33May/June 2024, paper 12Multiple choice1 mark
What is the purpose of the earth wire in a plug connected to an appliance?